Home / 5,477.12-8,222.75-4,702.10

Finding the Fourth Proportional to 5,477.12, 8,222.75 and 4,702.10

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Solution

The fourth proportional to 5,477.12, 8,222.75 and 4,702.10 is: 7,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.12 : 8,222.75 = 4,702.10 : x
  2. Step 2: Convert to fraction form
    5,477.12/8,222.75 = 4,702.10/x
  3. Step 3: Cross multiply
    5,477.12x = 8,222.75 × 4,702.10
  4. Step 4: Simplify right side
    5,477.12x = 38,664,189.82
  5. Step 5: Solve for x
    x = 38,664,189.82/5,477.12
  6. Step 6: Final answer
    x = 7,059.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.